Bacon_C_Week2lab

# Bacon_C_Week2lab - Rule? 6. Find the median of the milk...

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Math 221 Week 2 Lab Submitted by: Cheryl Bacon Part 1. Random Sampling Rando m Sample Ordered Sample 1 AC 1 AC 2 AG 2 AG 3 AJ 3 AJ 4 AM 4 AM 5 AQ 5 AQ 6 AS 6 AS 7 AV 7 AV 8 AX 8 AX 9 BD 9 BD 10 BI 10 BI 20 BL 11 BP 11 BP 12 BT 12 BT 13 BX 13 BX 14 CH 18 CB 15 CN 19 CD 16 CS 14 CH 17 CV 15 CN 18 CB 16 CS 19 CD 17 CV 20 BL Part 2. Cereal and Fiber Type Part 3. Milk Production 1. Find the sample mean. 2270.54 2. Find the sample standard deviation. 511.3032 3. Make a frequency distribution for the data. Distribution is started at right. Milk Production Cumula tive

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Class Limits Frequency Midpoint Freque ncy 1147 1646 7 1396.5 7 1647 2146 15 1896.5 22 2147 2646 13 2396.5 35 2647 3146 11 2896.5 46 3147 3646 3 3396.5 49 4. Create a histogram for the data. Does the data appear bell-shaped? no 5. What true percent of the data lies within one standard deviations of the mean? Within two standard deviations of the mean? How do these results agree with the Empirical
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Unformatted text preview: Rule? 6. Find the median of the milk production. 2207 7. Find the maximum and the minimum value. 1147 4285 8. What is the range? 3138 9. What is the first Quartile? 1733 10. What is the second Quartile? 2207(What is this also called?) The median of an ordered set of data. 11. What is the third Quartile?2727.5 12. What is the 80th percentile? 2832.4 Part 4. Linear Regression Sugar and Calories Analysis Relationship between the x & y variables. In this case they do follow a linear relationship. Sugar and Cost Analysis In this case the x & y variables do not follow a linear relationship. Weight and Cost Analysis In this case the x & y variables follow a linear relationship....
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## This note was uploaded on 04/18/2010 for the course MATH 221 taught by Professor Tyner during the Spring '10 term at DeVry St. Louis West.

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Bacon_C_Week2lab - Rule? 6. Find the median of the milk...

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